Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7709644 | Process for the enantiomeric enrichment of cis-8-benzyl-7,9-dioxo-2,8-diazabicyclo[4.3.0]nonane | Andreas Krebs, Walter Lange, Hanns-Ingolf Paul, Dietrich Seidel, Rolf Grosser +1 more | 2010-05-04 |
| 7396952 | Process for preparing carbamic ester derivatives | Bettina Hölzer | 2008-07-08 |
| 7205440 | Method of producing amines | Peter Wenzl, Friedrich Dürrholz | 2007-04-17 |
| 7115744 | Method for producing 8-methoxy-quinolinecarboxylic acids | Reinhold Gehring, Klaus-Helmut Mohrs, Werner Heilmann | 2006-10-03 |
| 6964963 | Preparation of 4-amino-1-naphthol ethers | Joachim Komoschinski | 2005-11-15 |
| 6897315 | Method for producing 8-methoxy-quinolinecarboxylic acids | Reinhold Gehring, Klaus-Helmut Mohrs, Werner Heilmann | 2005-05-24 |
| 6458954 | Process for preparing piperidines | Guido Giffels, Georg Martin, Lutz Frohn, Erich Hammerschmidt | 2002-10-01 |
| 6392044 | Racemization of R,S-dioxo-benzylpyrrolopiperidine | Georg Martin, Wilfried Jaworek, Andreas Krebs, Joachim Westen | 2002-05-21 |
| 6380441 | Process for preparing 3-hydroxybenzyl alcohol | Franz-Josef Mais | 2002-04-30 |
| 6294673 | Process for preparing nifedipine | Mathias Berwe, Karl Rittner, Karl-Heinz Wahl, Hans-Peter Wirges | 2001-09-25 |
| 5639886 | One-pot process for the preparation of 3-quinolonecarboxylic acid derivatives | Rudolf Zerbes, Paul Naab, Gerhard Franckowiak | 1997-06-17 |
| 5175193 | Process for the preparation of weakly acid cation exchange resins | Harold Heller, Friedrich Werner, Alfred Mitschker, Axel Schafer | 1992-12-29 |
| 5068428 | Process for the preparation of cyclopropanecarboxamide | Heinz U. Blank, Edwin Ritzer | 1991-11-26 |
| 5032687 | Process for the preparation of cyclopropylamine | Heinz U. Blank, Edwin Ritzer | 1991-07-16 |
| 4755609 | Process for the preparation of thiocyanatomethylthiobenzothiazoles | Gerold Schade, Karlfried Wedemeyer | 1988-07-05 |
| 4750134 | Device for the non-destructive testing of ferromagnetic bodies and a process for producing values for adjusting the device into an initial state for testing determined by the respective test samples | Gerhard Huschelrath | 1988-06-07 |
| 4740333 | Process for the preparation of 5-fluorotoluene-2,4-disulphochloride | Josef Kasbauer, Karlfried Wedemeyer | 1988-04-26 |
| 4692702 | Device with two generators for measuring the gradients of magnetic fields | Gerhard Huschelrath | 1987-09-08 |
| 4594467 | Preparation of 3,5-dichloro-.alpha.-methylstyrene | Karl-Wilhelm Henneke, Karlfried Wedemeyer | 1986-06-10 |
| 4476320 | Process for the preparation of fluoroaromatic compounds substituted in the o-position | Heinrich Pelster, Hubert Habetz | 1984-10-09 |
| 4276143 | Apparatus for continuously measuring ion concentrations | Franz-Ludwig Dahm, Kurt Eiermann, Reinhold Lamberty, Wolfgang Nischk | 1981-06-30 |